Set default providers for all virtual dependencies (#3634)

* Set default providers for everything

* Add default OpenFOAM provider

var/spack/repos/builtin/packages/intel-ipp/package.py

@@ -0,0 +1,54 @@
+##############################################################################
+# Copyright (c) 2013-2016, Lawrence Livermore National Security, LLC.
+# Produced at the Lawrence Livermore National Laboratory.
+#
+# This file is part of Spack.
+# Created by Todd Gamblin, tgamblin@llnl.gov, All rights reserved.
+# LLNL-CODE-647188
+#
+# For details, see https://github.com/llnl/spack
+# Please also see the LICENSE file for our notice and the LGPL.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License (as
+# published by the Free Software Foundation) version 2.1, February 1999.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the IMPLIED WARRANTY OF
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the terms and
+# conditions of the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##############################################################################
+from spack import *
+import os
+
+from spack.pkg.builtin.intel import IntelInstaller
+
+
+class IntelIpp(IntelInstaller):
+    """Intel Integrated Performance Primitives.
+
+    Note: You will have to add the download file to a
+    mirror so that Spack can find it. For instructions on how to set up a
+    mirror, see http://spack.readthedocs.io/en/latest/mirrors.html"""
+
+    homepage = "https://software.intel.com/en-us/intel-ipp"
+
+    version('2017.0.098', 'e7be757ebe351d9f9beed7efdc7b7118',
+            url="file://%s/l_ipp_2017.0.098.tgz" % os.getcwd())
+    version('9.0.3.210', '0e1520dd3de7f811a6ef6ebc7aa429a3',
+            url="file://%s/l_ipp_9.0.3.210.tgz" % os.getcwd())
+
+    provides('ipp')
+
+    def install(self, spec, prefix):
+
+        self.intel_prefix = os.path.join(prefix, "pkg")
+        IntelInstaller.install(self, spec, prefix)
+
+        ipp_dir = os.path.join(self.intel_prefix, "ipp")
+        for f in os.listdir(ipp_dir):
+            os.symlink(os.path.join(ipp_dir, f), os.path.join(self.prefix, f))